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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Transmission Control Protocol (TCP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_tcp.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_tcp_socket_window_update_notify_set PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sets the window update notify function pointer to the */
/* function specified by the application, which is called whenever */
/* the specified socket receives a packet indicating an increase in */
/* window size of the remote host. */
/* */
/* If a NULL pointer is supplied, the window update notify function is */
/* disabled. */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to TCP socket */
/* tcp_window_udpate_notify Routine to call when NetX */
/* receives a window update */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_tcp_socket_window_update_notify_set(NX_TCP_SOCKET *socket_ptr,
VOID (*tcp_socket_window_update_notify)(NX_TCP_SOCKET *socket_ptr))
{
TX_INTERRUPT_SAVE_AREA
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_TCP_SOCKET_WINDOW_UPDATE_NOTIFY_SET, socket_ptr, 0, 0, 0, NX_TRACE_TCP_EVENTS, 0, 0);
/* Get mutex protection. */
tx_mutex_get(&(socket_ptr -> nx_tcp_socket_ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Disable interrupts. */
TX_DISABLE
/* Setup the receive notify function pointer. */
socket_ptr -> nx_tcp_socket_window_update_notify = tcp_socket_window_update_notify;
/* Restore interrupts. */
TX_RESTORE
/* Release protection. */
tx_mutex_put(&(socket_ptr -> nx_tcp_socket_ip_ptr -> nx_ip_protection));
/* Return successful completion. */
return(NX_SUCCESS);
}
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